Diff: QT2160.h

Revision:

0:8961c5b1e7cb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QT2160.h	Fri Feb 16 10:29:39 2018 +0000
@@ -0,0 +1,229 @@
+   /******************
+   QT2160.h
+   Created on: Feb 16, 2017
+   Author: Akila Kasunjith Hettiarachchi
+*/
+
+
+#ifndef QT2160
+#define QT2160
+
+#define reg_chipID 0
+#define reg_generalStatus 2
+#define reg_keyStatus1 3
+#define reg_keyStatus2 4
+#define reg_sliderTouchPosition 5
+#define reg_GPIORead 6
+#define reg_subRevision 7
+#define reg_calibrate 10
+#define reg_reset 11
+#define reg_LPMode 12
+#define reg_burstRepetition 13
+#define reg_NegDC 15
+#define reg_posDC 16
+#define reg_normalDILimit 17
+#define reg_negRecalDelay 18
+#define reg_driftHoldTime 19
+#define reg_sliderControl 20
+#define reg_sliderOptions 21
+
+//key control registers
+
+#define reg_key_0_control 22
+#define reg_key_1_control 23
+#define reg_key_2_control 24
+#define reg_key_3_control 25
+#define reg_key_4_control 26
+#define reg_key_5_control 27
+#define reg_key_6_control 28
+#define reg_key_7_control 29
+#define reg_key_8_control 30
+#define reg_key_9_control 31
+#define reg_key_10_control 32
+#define reg_key_11_control 33
+#define reg_key_12_control 34
+#define reg_key_13_control 35
+#define reg_key_14_control 36
+#define reg_key_15_control 37
+
+//  Negative threshold control registers
+
+#define reg_key_0_NTHR 38
+#define reg_key_1_NTHR 39
+#define reg_key_2_NTHR 40
+#define reg_key_3_NTHR 41
+#define reg_key_4_NTHR 42
+#define reg_key_5_NTHR 43
+#define reg_key_6_NTHR 44
+#define reg_key_7_NTHR 45
+#define reg_key_8_NTHR 46
+#define reg_key_9_NTHR 47
+#define reg_key_10_NTHR 48
+#define reg_key_11_NTHR 49
+#define reg_key_12_NTHR 50
+#define reg_key_13_NTHR 51
+#define reg_key_14_NTHR 52
+#define reg_key_15_NTHR 53
+
+//Burst length control registers
+
+#define reg_key_0_BL 54
+#define reg_key_1_BL 55
+#define reg_key_2_BL 56
+#define reg_key_3_BL 57
+#define reg_key_4_BL 58
+#define reg_key_5_BL 59
+#define reg_key_6_BL 60
+#define reg_key_7_BL 61
+#define reg_key_8_BL 62
+#define reg_key_9_BL 63
+#define reg_key_10_BL 64
+#define reg_key_11_BL 65
+#define reg_key_12_BL 66
+#define reg_key_13_BL 67
+#define reg_key_14_BL 68
+#define reg_key_15_BL 69
+
+#define reg_GPIODrive1 70
+#define reg_GPIODrive2 71
+#define reg_GPIODirection2 73
+#define reg_GPIOPWM1 74
+#define reg_GPIOPWM2 75
+#define reg_PWMLevel 76
+#define reg_GPIOWake 77
+#define reg_commonChangeKeys1 78
+#define reg_commonChangeKeys2 79
+
+#define i2cDelay 50
+
+
+struct readRegs
+{
+    char generalStatus;
+    char keyStatus1;
+    char keyStatus2;
+    char sliderTouchPosition;
+    char GPIORead;
+};
+
+union readRegsUnion {
+    char all[5];
+    struct readRegs Regs;
+};
+
+ struct QT 
+{
+    I2C &i2c;
+    uint8_t ADDR;
+    uint8_t LPmode;
+    uint8_t BREP;
+    uint8_t NDRIFT;
+    uint8_t PDRIFT;
+    uint8_t NDIL;
+    uint8_t NRD;
+    uint8_t DHT;
+    uint8_t SliderControl;
+    uint8_t RESOLUTION;
+    uint8_t KEY_CONT[16];
+    uint8_t NTHR[16];
+    uint8_t BL[16];
+    uint8_t GPIODrive1;
+    uint8_t GPIODrive2;
+    uint8_t GPIODirection;
+    uint8_t GPIOPWM1;
+    uint8_t GPIOPWM2;
+    uint8_t GPIOPWMLevel;
+    uint8_t GPIOWake;
+    uint8_t commonChangeKeys;
+    union readRegsUnion readData;
+} ;
+
+void qtWrite( QT &qt, uint8_t reg_addr, uint8_t reg_value)
+{
+    char write_data[5];
+    write_data[0] = reg_addr;
+    write_data[1] = reg_value;
+    qt.i2c.write(qt.ADDR, write_data, 2);
+    wait_ms(i2cDelay);
+}
+
+void QTSetup(QT &qt)
+{
+    qtWrite(qt, reg_reset, 8);
+    qtWrite(qt, reg_calibrate, 1);
+    qtWrite(qt, reg_LPMode, qt.LPmode);
+    qtWrite(qt, reg_burstRepetition, qt.BREP);
+    qtWrite(qt, reg_NegDC, qt.NDRIFT);
+    qtWrite(qt, reg_posDC, qt.PDRIFT);
+    qtWrite(qt, reg_normalDILimit, qt.NDIL);
+    qtWrite(qt, reg_driftHoldTime, qt.DHT);
+    qtWrite(qt, reg_sliderControl, qt.SliderControl);
+    qtWrite(qt, reg_sliderOptions, qt.RESOLUTION);
+    //***************key control register*************************//
+    qtWrite(qt, reg_key_0_control, qt.KEY_CONT[0]);
+    qtWrite(qt, reg_key_1_control, qt.KEY_CONT[1]);
+    qtWrite(qt, reg_key_2_control, qt.KEY_CONT[2]);
+    qtWrite(qt, reg_key_3_control, qt.KEY_CONT[3]);
+    qtWrite(qt, reg_key_4_control, qt.KEY_CONT[4]);
+    qtWrite(qt, reg_key_5_control, qt.KEY_CONT[5]);
+    qtWrite(qt, reg_key_6_control, qt.KEY_CONT[6]);
+    qtWrite(qt, reg_key_7_control, qt.KEY_CONT[7]);
+    qtWrite(qt, reg_key_8_control, qt.KEY_CONT[8]);
+    qtWrite(qt, reg_key_9_control, qt.KEY_CONT[9]);
+    qtWrite(qt, reg_key_10_control, qt.KEY_CONT[10]);
+    qtWrite(qt, reg_key_11_control, qt.KEY_CONT[11]);
+    qtWrite(qt, reg_key_12_control, qt.KEY_CONT[12]);
+    qtWrite(qt, reg_key_13_control, qt.KEY_CONT[13]);
+    qtWrite(qt, reg_key_14_control, qt.KEY_CONT[14]);
+    qtWrite(qt, reg_key_15_control, qt.KEY_CONT[15]);
+    //********************NTHR registers*************************//
+    qtWrite(qt, reg_key_0_NTHR, qt.NTHR[0]);
+    qtWrite(qt, reg_key_1_NTHR, qt.NTHR[1]);
+    qtWrite(qt, reg_key_2_NTHR, qt.NTHR[2]);
+    qtWrite(qt, reg_key_3_NTHR, qt.NTHR[3]);
+    qtWrite(qt, reg_key_4_NTHR, qt.NTHR[4]);
+    qtWrite(qt, reg_key_5_NTHR, qt.NTHR[5]);
+    qtWrite(qt, reg_key_6_NTHR, qt.NTHR[6]);
+    qtWrite(qt, reg_key_7_NTHR, qt.NTHR[7]);
+    qtWrite(qt, reg_key_8_NTHR, qt.NTHR[8]);
+    qtWrite(qt, reg_key_9_NTHR, qt.NTHR[9]);
+    qtWrite(qt, reg_key_10_NTHR, qt.NTHR[10]);
+    qtWrite(qt, reg_key_11_NTHR, qt.NTHR[11]);
+    qtWrite(qt, reg_key_12_NTHR, qt.NTHR[12]);
+    qtWrite(qt, reg_key_13_NTHR, qt.NTHR[13]);
+    qtWrite(qt, reg_key_14_NTHR, qt.NTHR[14]);
+    qtWrite(qt, reg_key_15_NTHR, qt.NTHR[15]);
+    //******************BL registers****************************//
+    qtWrite(qt, reg_key_0_BL, qt.BL[0]);
+    qtWrite(qt, reg_key_1_BL, qt.BL[1]);
+    qtWrite(qt, reg_key_2_BL, qt.BL[2]);
+    qtWrite(qt, reg_key_3_BL, qt.BL[3]);
+    qtWrite(qt, reg_key_4_BL, qt.BL[4]);
+    qtWrite(qt, reg_key_5_BL, qt.BL[5]);
+    qtWrite(qt, reg_key_6_BL, qt.BL[6]);
+    qtWrite(qt, reg_key_7_BL, qt.BL[7]);
+    qtWrite(qt, reg_key_8_BL, qt.BL[8]);
+    qtWrite(qt, reg_key_9_BL, qt.BL[9]);
+    qtWrite(qt, reg_key_10_BL, qt.BL[10]);
+    qtWrite(qt, reg_key_11_BL, qt.BL[11]);
+    qtWrite(qt, reg_key_12_BL, qt.BL[12]);
+    qtWrite(qt, reg_key_13_BL, qt.BL[13]);
+    qtWrite(qt, reg_key_14_BL, qt.BL[14]);
+    qtWrite(qt, reg_key_15_BL, qt.BL[15]);
+
+    qtWrite(qt, reg_negRecalDelay, qt.NRD);
+
+    qtWrite(qt, reg_calibrate, 0);
+}
+
+void QTread(QT &qt)
+{
+    char write_data[5];
+    write_data[0] = reg_generalStatus;
+    qt.i2c.write(qt.ADDR, write_data, 1);
+    wait_ms(1);
+    qt.i2c.read(qt.ADDR, qt.readData.all, 5);
+    wait_ms(1);
+}
+
+#endif
\ No newline at end of file